Sectional sofa



FIG. 1 is a front perspective view of a sectional sofa embodying my new design.

FIG. 2 is a first side elevational view of the design.

FIG. 3 is a second side elevational view of the design.

FIG. 4 is a front elevational view of the design.

FIG. 5 is a top plan view of the design; and,

FIG. 6 is a rear elevational view of the design. 

The ornamental design for a sectional sofa, as shown and described. 